Installed Length: 550 mm Extension Length: 559 mm features: Front disconnecting drawer runners, full extension For applications such as filing cabinets and desk drawers 45 kg carrying capacity Corrosion resistant for harsh environments 8 times more protection than bright zinc finish Stainless steel ball retainer, ball bearings and rivets Front disconnect (by depressing lever) for drawer removal Stay closed feature holds the closed drawer in These runners have a cam adjuster on the front which allows 3 mm adjustment on the drawer front Product supplied in pairs Please allow 2-3 days for delivery